1. Akera bullata. Ventral view at end of downstroke. Parasol is wrapped tightly around animal, which immediately starts to sink. In soakaway pond of marine aquarium, Oban, Scotland. April 2010.
2. Akera bullata. Ventral view at end of downstroke. Parasol is wrapped tightly around animal, which immediately starts to sink. In soakaway pond of marine aquarium, Oban, Scotland. April 2010.

Akera bullata. Ventral view at end of downstroke. Parasol is wrapped tightly around animal, which immediately starts to sink. In soakaway pond of marine aquarium, Oban, Scotland. April 2010.